Walking-aid for plaster-of-paris cast



FIG. 1 is a bottom perspective view of a walking-aid for plaster-of-paris cast showing my new design;

FIG. 2 is a side view thereof, the opposite side _being the mirror image of that shown; and

FIG. 3 is a bottom plan view thereof. 

The ornamental design for a walking-aid for plaster-of-paris cast, as shown and described. 